Initial commit: AI Coding Starter Kit v1.3.0 (Production-Ready)

Features:
- Next.js 16 + TypeScript + Tailwind CSS
- 6 Production-Ready AI Agents (Requirements → Deployment)
- Production Guides (Error Tracking, Security, Performance, Scaling)
- Feature Changelog System (Code Reuse)
- PM-Friendly Documentation
- Supabase-Ready (optional)
- shadcn/ui-Ready
- Vercel Deployment-Ready

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/lib/supabase.ts

@@ -0,0 +1,14 @@
+// Supabase Client Setup
+// Uncomment this file when you're ready to use Supabase
+
+/*
+import { createClient } from '@supabase/supabase-js'
+
+const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!
+const supabaseAnonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
+
+export const supabase = createClient(supabaseUrl, supabaseAnonKey)
+*/
+
+// For now, export a placeholder to avoid import errors
+export const supabase = null;

src/lib/utils.ts

@@ -0,0 +1,6 @@
+import { type ClassValue, clsx } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}